Vitamin D is known as the sunshine vitamin because our bodies create this important vitamin when the skin is exposed to the sun. The deficiency of this vitamin is becoming more common in cities all over the world. This is because many people spend most of their time living and working indoors.
Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. Older people, and those with underlying medical problems like cardiovascular disease, diabetes, chronic respiratory disease, and cancer is more likely to develop serious illness.